Question

Differentiate between temporary and permanent hardness of water.

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Answer 1

Answer:

Natural water contains dissolved salts.

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Complete step by step answer:

Temporary hard waterPermanent hard waterIt is called temporary hardness as it can be easily removed by simple boiling and filtering the water.It is called permanent hardnessas it cannot be easily removed by simple boiling and filtering the water.

Explanation:

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Answer 2

Temporary hard water contains carbonates of calcium and magnesium which can easily be emoved by boiling whereas permanent hard water contains sulphates of calcium i.e gypsum so difficult to remove through boiling.